English plurals can be simple—just add “-s” or “-es”—but irregular forms like “child” to “children” or “mouse” to “mice” often trip up learners. Mastering these patterns, along with avoiding common ...

See that mouse next to your computer? Pretend there are two of them. What would you call them: “mice” or “mouses”? In the first 15 years or so of its mainstream life, the computer mouse has had an ...

Think you know your plurals? From everyday words like “tomato” to tricky Latin and Greek forms like “nucleus” and “appendix,” this 25-question quiz will put your grammar skills to the ultimate test.

Could it be that these are animals that were hunted, fished, or herded and that there was a convention that used the singular as a sort of generic plural when going after these creatures for sport or ...

English is full of irregular plural forms based on Latin and Greek. They can be confusing (apparatus? apparati? apparatuses?). They can be fun (the brothers Winklevii! and the flying Elvii! all ...

Here's a rule about singular and plural forms that is useful to know when talking about different types of fish. Let's find out more below! There are two plural forms for the word 'fish': 'fish' and ...

A particular tech company has reclaimed the letter "i" by turning it into a prefix — you know the one. But in this game, puzzle guru Art Chung sends poor "i" to the ends of words, by quizzing ...

Do you know how we can turn a singular noun into a plural noun? The solution is simple. Just add an '-s' at the end of the word, and whoosh, the job is done. The word 'house' becomes 'houses', 'word' ...

Possessives come up a lot in this column. That’s no surprise. They’re some of the most perplexing issues in English, as we saw in our recent column on Jess’s vs. Jess’ (P.S. both are acceptable). But ...